Merge pull request #5351 from mempool/natsoni/fix-recursion-search

Fix recursion loop in search bar

backend/src/api/mempool.ts

@@ -396,10 +396,6 @@ class Mempool {
   }
 
   public $updateAccelerations(newAccelerations: Acceleration[]): string[] {
-    if (!config.MEMPOOL_SERVICES.ACCELERATIONS) {
-      return [];
-    }
-
     try {
       const changed: string[] = [];
 

backend/src/api/mining/mining-routes.ts

@@ -9,6 +9,7 @@ import bitcoinClient from '../bitcoin/bitcoin-client';
 import mining from "./mining";
 import PricesRepository from '../../repositories/PricesRepository';
 import AccelerationRepository from '../../repositories/AccelerationRepository';
+import accelerationApi from '../services/acceleration';
 
 class MiningRoutes {
   public initRoutes(app: Application) {
@@ -41,6 +42,8 @@ class MiningRoutes {
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/block/:height', this.$getAccelerationsByHeight)
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/recent/:interval', this.$getRecentAccelerations)
       .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations/total', this.$getAccelerationTotals)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'accelerations', this.$getActiveAccelerations)
+      .post(config.MEMPOOL.API_URL_PREFIX + 'acceleration/request/:txid', this.$requestAcceleration)
     ;
   }
 
@@ -445,6 +448,37 @@ class MiningRoutes {
       res.status(500).send(e instanceof Error ? e.message : e);
     }
   }
+
+  private async $getActiveAccelerations(req: Request, res: Response): Promise<void> {
+    try {
+      res.header('Pragma', 'public');
+      res.header('Cache-control', 'public');
+      res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
+      if (!config.MEMPOOL_SERVICES.ACCELERATIONS || ['testnet', 'signet', 'liquidtestnet', 'liquid'].includes(config.MEMPOOL.NETWORK)) {
+        res.status(400).send('Acceleration data is not available.');
+        return;
+      }
+      res.status(200).send(accelerationApi.accelerations || []);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
+  private async $requestAcceleration(req: Request, res: Response): Promise<void> {
+    if (config.MEMPOOL_SERVICES.ACCELERATIONS || config.MEMPOOL.OFFICIAL) {
+      res.status(405).send('not available.');
+      return;
+    }
+    res.setHeader('Pragma', 'no-cache');
+    res.setHeader('Cache-control', 'private, no-store, no-cache, must-revalidate, proxy-revalidate, max-age=0');
+    res.setHeader('expires', -1);
+    try {
+      accelerationApi.accelerationRequested(req.params.txid);
+      res.status(200).send('ok');
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
 }
 
 export default new MiningRoutes();

backend/src/api/services/acceleration.ts

@@ -1,8 +1,10 @@
 import config from '../../config';
 import logger from '../../logger';
-import { BlockExtended, PoolTag } from '../../mempool.interfaces';
+import { BlockExtended } from '../../mempool.interfaces';
 import axios from 'axios';
 
+type MyAccelerationStatus = 'requested' | 'accelerating' | 'done';
+
 export interface Acceleration {
   txid: string,
   added: number,
@@ -35,18 +37,88 @@ export interface AccelerationHistory {
 };
 
 class AccelerationApi {
-  public async $fetchAccelerations(): Promise<Acceleration[] | null> {
+  private apiPath = config.MEMPOOL.OFFICIAL ? (config.MEMPOOL_SERVICES.API + '/accelerator/accelerations') : (config.EXTERNAL_DATA_SERVER.MEMPOOL_API + '/accelerations');
+  private _accelerations: Acceleration[] | null = null;
+  private lastPoll = 0;
+  private forcePoll = false;
+  private myAccelerations: Record<string, { status: MyAccelerationStatus, added: number, acceleration?: Acceleration }> = {};
+
+  public get accelerations(): Acceleration[] | null {
+    return this._accelerations;
+  }
+
+  public countMyAccelerationsWithStatus(filter: MyAccelerationStatus): number {
+    return Object.values(this.myAccelerations).reduce((count, {status}) => { return count + (status === filter ? 1 : 0); }, 0);
+  }
+
+  public accelerationRequested(txid: string): void {
+    this.myAccelerations[txid] = { status: 'requested', added: Date.now() };
+  }
+
+  public accelerationConfirmed(): void {
+    this.forcePoll = true;
+  }
+
+  private async $fetchAccelerations(): Promise<Acceleration[] | null> {
+    try {
+      const response = await axios.get(this.apiPath, { responseType: 'json', timeout: 10000 });
+      return response?.data || [];
+    } catch (e) {
+      logger.warn('Failed to fetch current accelerations from the mempool services backend: ' + (e instanceof Error ? e.message : e));
+      return null;
+    }
+  }
+
+  public async $updateAccelerations(): Promise<Acceleration[] | null> {
     if (config.MEMPOOL_SERVICES.ACCELERATIONS) {
-      try {
+      const accelerations = await this.$fetchAccelerations();
-        const response = await axios.get(`${config.MEMPOOL_SERVICES.API}/accelerator/accelerations`, { responseType: 'json', timeout: 10000 });
+      if (accelerations) {
-        return response.data as Acceleration[];
+        this._accelerations = accelerations;
-      } catch (e) {
+        return this._accelerations;
-        logger.warn('Failed to fetch current accelerations from the mempool services backend: ' + (e instanceof Error ? e.message : e));
-        return null;
       }
     } else {
-      return [];
+      return this.$updateAccelerationsOnDemand();
     }
+    return null;
+  }
+
+  private async $updateAccelerationsOnDemand(): Promise<Acceleration[] | null> {
+    const shouldUpdate = this.forcePoll
+      || this.countMyAccelerationsWithStatus('requested') > 0
+      || (this.countMyAccelerationsWithStatus('accelerating') > 0 && this.lastPoll < (Date.now() - (10 * 60 * 1000)));
+
+    // update accelerations if necessary
+    if (shouldUpdate) {
+      const accelerations = await this.$fetchAccelerations();
+      this.lastPoll = Date.now();
+      this.forcePoll = false;
+      if (accelerations) {
+        const latestAccelerations: Record<string, Acceleration> = {};
+        // set relevant accelerations to 'accelerating'
+        for (const acc of accelerations) {
+          if (this.myAccelerations[acc.txid]) {
+            latestAccelerations[acc.txid] = acc;
+            this.myAccelerations[acc.txid] = { status: 'accelerating', added: Date.now(), acceleration: acc };
+          }
+        }
+        // txs that are no longer accelerating are either confirmed or canceled, so mark for expiry
+        for (const [txid, { status, acceleration }] of Object.entries(this.myAccelerations)) {
+          if (status === 'accelerating' && !latestAccelerations[txid]) {
+            this.myAccelerations[txid] = { status: 'done', added: Date.now(), acceleration };
+          }
+        }
+      }
+    }
+
+    // clear expired accelerations (confirmed / failed / not accepted) after 10 minutes
+    for (const [txid, { status, added }] of Object.entries(this.myAccelerations)) {
+      if (['requested', 'done'].includes(status) && added < (Date.now() - (1000 * 60 * 10))) {
+        delete this.myAccelerations[txid];
+      }
+    }
+
+    this._accelerations = Object.values(this.myAccelerations).map(({ acceleration }) => acceleration).filter(acc => acc) as Acceleration[];
+    return this._accelerations;
   }
 
   public async $fetchAccelerationHistory(page?: number, status?: string): Promise<AccelerationHistory[] | null> {

backend/src/api/websocket-handler.ts

@@ -538,9 +538,9 @@ class WebsocketHandler {
     }
 
     if (config.MEMPOOL.RUST_GBT) {
-      await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, newMempool, added, removed, candidates, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, newMempool, added, removed, candidates, true);
     } else {
-      await mempoolBlocks.$updateBlockTemplates(transactionIds, newMempool, added, removed, candidates, accelerationDelta, true, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$updateBlockTemplates(transactionIds, newMempool, added, removed, candidates, accelerationDelta, true, true);
     }
 
     const mBlocks = mempoolBlocks.getMempoolBlocks();
@@ -949,18 +949,14 @@ class WebsocketHandler {
     if (config.MEMPOOL.AUDIT && memPool.isInSync()) {
       let projectedBlocks;
       const auditMempool = _memPool;
-      const isAccelerated = config.MEMPOOL_SERVICES.ACCELERATIONS && accelerationApi.isAcceleratedBlock(block, Object.values(mempool.getAccelerations()));
+      const isAccelerated = accelerationApi.isAcceleratedBlock(block, Object.values(mempool.getAccelerations()));
 
-      if ((config.MEMPOOL_SERVICES.ACCELERATIONS)) {
+      if (config.MEMPOOL.RUST_GBT) {
-        if (config.MEMPOOL.RUST_GBT) {
+        const added = memPool.limitGBT ? (candidates?.added || []) : [];
-          const added = memPool.limitGBT ? (candidates?.added || []) : [];
+        const removed = memPool.limitGBT ? (candidates?.removed || []) : [];
-          const removed = memPool.limitGBT ? (candidates?.removed || []) : [];
+        projectedBlocks = await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, auditMempool, added, removed, candidates, isAccelerated, block.extras.pool.id);
-          projectedBlocks = await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, auditMempool, added, removed, candidates, isAccelerated, block.extras.pool.id);
-        } else {
-          projectedBlocks = await mempoolBlocks.$makeBlockTemplates(transactionIds, auditMempool, candidates, false, isAccelerated, block.extras.pool.id);
-        }
       } else {
-        projectedBlocks = mempoolBlocks.getMempoolBlocksWithTransactions();
+        projectedBlocks = await mempoolBlocks.$makeBlockTemplates(transactionIds, auditMempool, candidates, false, isAccelerated, block.extras.pool.id);
       }
 
       if (Common.indexingEnabled()) {
@@ -1040,7 +1036,7 @@ class WebsocketHandler {
       const removed = memPool.limitGBT ? (candidates?.removed || []) : transactions;
       await mempoolBlocks.$rustUpdateBlockTemplates(transactionIds, _memPool, added, removed, candidates, true);
     } else {
-      await mempoolBlocks.$makeBlockTemplates(transactionIds, _memPool, candidates, true, config.MEMPOOL_SERVICES.ACCELERATIONS);
+      await mempoolBlocks.$makeBlockTemplates(transactionIds, _memPool, candidates, true, true);
     }
     const mBlocks = mempoolBlocks.getMempoolBlocks();
     const mBlockDeltas = mempoolBlocks.getMempoolBlockDeltas();

backend/src/index.ts

@@ -229,7 +229,7 @@ class Server {
       const newMempool = await bitcoinApi.$getRawMempool();
       const minFeeMempool = memPool.limitGBT ? await bitcoinSecondClient.getRawMemPool() : null;
       const minFeeTip = memPool.limitGBT ? await bitcoinSecondClient.getBlockCount() : -1;
-      const newAccelerations = await accelerationApi.$fetchAccelerations();
+      const newAccelerations = await accelerationApi.$updateAccelerations();
       const numHandledBlocks = await blocks.$updateBlocks();
       const pollRate = config.MEMPOOL.POLL_RATE_MS * (indexer.indexerIsRunning() ? 10 : 1);
       if (numHandledBlocks === 0) {

backend/src/repositories/AccelerationRepository.ts

@@ -213,6 +213,15 @@ class AccelerationRepository {
         this.$saveAcceleration(accelerationInfo, block, block.extras.pool.id, successfulAccelerations);
       }
     }
+    let anyConfirmed = false;
+    for (const acc of accelerations) {
+      if (blockTxs[acc.txid]) {
+        anyConfirmed = true;
+      }
+    }
+    if (anyConfirmed) {
+      accelerationApi.accelerationConfirmed();
+    }
     const lastSyncedHeight = await this.$getLastSyncedHeight();
     // if we've missed any blocks, let the indexer catch up from the last synced height on the next run
     if (block.height === lastSyncedHeight + 1) {

docker/frontend/entrypoint.sh

@@ -40,6 +40,7 @@ __MAINNET_BLOCK_AUDIT_START_HEIGHT__=${MAINNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __TESTNET_BLOCK_AUDIT_START_HEIGHT__=${TESTNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __SIGNET_BLOCK_AUDIT_START_HEIGHT__=${SIGNET_BLOCK_AUDIT_START_HEIGHT:=0}
 __ACCELERATOR__=${ACCELERATOR:=false}
+__ACCELERATOR_BUTTON__=${ACCELERATOR_BUTTON:=true}
 __SERVICES_API__=${SERVICES_API:=false}
 __PUBLIC_ACCELERATIONS__=${PUBLIC_ACCELERATIONS:=false}
 __HISTORICAL_PRICE__=${HISTORICAL_PRICE:=true}
@@ -70,6 +71,7 @@ export __MAINNET_BLOCK_AUDIT_START_HEIGHT__
 export __TESTNET_BLOCK_AUDIT_START_HEIGHT__
 export __SIGNET_BLOCK_AUDIT_START_HEIGHT__
 export __ACCELERATOR__
+export __ACCELERATOR_BUTTON__
 export __SERVICES_API__
 export __PUBLIC_ACCELERATIONS__
 export __HISTORICAL_PRICE__

frontend/src/app/components/accelerate-checkout/accelerate-checkout.component.ts

@@ -9,6 +9,7 @@ import { Transaction } from '../../interfaces/electrs.interface';
 import { MiningStats } from '../../services/mining.service';
 import { IAuth, AuthServiceMempool } from '../../services/auth.service';
 import { EnterpriseService } from '../../services/enterprise.service';
+import { ApiService } from '../../services/api.service';
 
 export type PaymentMethod = 'balance' | 'bitcoin' | 'cashapp';
 
@@ -123,6 +124,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
 
   constructor(
     public stateService: StateService,
+    private apiService: ApiService,
     private servicesApiService: ServicesApiServices,
     private etaService: EtaService,
     private audioService: AudioService,
@@ -370,10 +372,11 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
       this.accelerationUUID
     ).subscribe({
       next: () => {
+        this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
         this.audioService.playSound('ascend-chime-cartoon');
         this.showSuccess = true;
         this.estimateSubscription.unsubscribe();
-        this.moveToStep('paid')
+        this.moveToStep('paid');
       },
       error: (response) => {
         this.accelerateError = response.error;
@@ -481,6 +484,7 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
               that.accelerationUUID
             ).subscribe({
               next: () => {
+                this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
                 that.audioService.playSound('ascend-chime-cartoon');
                 if (that.cashAppPay) {
                   that.cashAppPay.destroy();
@@ -530,9 +534,10 @@ export class AccelerateCheckout implements OnInit, OnDestroy {
   }
 
   bitcoinPaymentCompleted(): void {
+    this.apiService.logAccelerationRequest$(this.tx.txid).subscribe();
     this.audioService.playSound('ascend-chime-cartoon');
     this.estimateSubscription.unsubscribe();
-    this.moveToStep('paid')
+    this.moveToStep('paid');
   }
 
   isLoggedIn(): boolean {

frontend/src/app/components/search-form/search-form.component.ts

@@ -303,7 +303,6 @@ export class SearchFormComponent implements OnInit {
           (error) => { console.log(error); this.isSearching = false; }
         );
       } else {
-        this.searchResults.searchButtonClick();
         this.isSearching = false;
       }
     }

frontend/src/app/components/start/start.component.ts

@@ -234,7 +234,7 @@ export class StartComponent implements OnInit, AfterViewChecked, OnDestroy {
     this.minScrollWidth = 40 + (8 * this.blockWidth) + (this.pageWidth * 2);
 
     if (firstVisibleBlock != null) {
-      this.scrollToBlock(firstVisibleBlock, offset);
+      this.scrollToBlock(firstVisibleBlock, offset + (this.isMobile ? this.blockWidth : 0));
     } else {
       this.updatePages();
     }

frontend/src/app/components/transaction/transaction.component.ts

@@ -88,6 +88,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   blocksSubscription: Subscription;
   miningSubscription: Subscription;
   auditSubscription: Subscription;
+  txConfirmedSubscription: Subscription;
   currencyChangeSubscription: Subscription;
   fragmentParams: URLSearchParams;
   rbfTransaction: undefined | Transaction;
@@ -141,7 +142,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   taprootEnabled: boolean;
   hasEffectiveFeeRate: boolean;
   accelerateCtaType: 'alert' | 'button' = 'button';
-  acceleratorAvailable: boolean = this.stateService.env.ACCELERATOR && this.stateService.network === '';
+  acceleratorAvailable: boolean = this.stateService.env.ACCELERATOR_BUTTON && this.stateService.network === '';
   eligibleForAcceleration: boolean = false;
   forceAccelerationSummary = false;
   hideAccelerationSummary = false;
@@ -195,7 +196,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.stateService.networkChanged$.subscribe(
       (network) => {
         this.network = network;
-        this.acceleratorAvailable = this.stateService.env.ACCELERATOR && this.stateService.network === '';
+        this.acceleratorAvailable = this.stateService.env.ACCELERATOR_BUTTON && this.stateService.network === '';
       }
     );
 
@@ -625,7 +626,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
         }
       );
 
-    this.stateService.txConfirmed$.subscribe(([txConfirmed, block]) => {
+    this.txConfirmedSubscription = this.stateService.txConfirmed$.subscribe(([txConfirmed, block]) => {
       if (txConfirmed && this.tx && !this.tx.status.confirmed && txConfirmed === this.tx.txid) {
         if (this.tx.acceleration) {
           this.waitingForAccelerationInfo = true;
@@ -1070,6 +1071,7 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.blocksSubscription.unsubscribe();
     this.miningSubscription?.unsubscribe();
     this.auditSubscription?.unsubscribe();
+    this.txConfirmedSubscription?.unsubscribe();
     this.currencyChangeSubscription?.unsubscribe();
     this.leaveTransaction();
   }

frontend/src/app/docs/api-docs/api-docs-data.ts

@@ -8993,7 +8993,7 @@ export const restApiDocsData = [
     fragment: "accelerator-estimate",
     title: "POST Calculate Estimated Costs",
     description: {
-      default: "<p>Returns estimated costs to accelerate a transaction. Optionally set the <code>api_key</code> header to get customized estimation.</p>"
+      default: "<p>Returns estimated costs to accelerate a transaction. Optionally set the <code>X-Mempool-Auth</code> header to get customized estimation.</p>"
     },
     urlString: "/v1/services/accelerator/estimate",
     showConditions: [""],
@@ -9009,7 +9009,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: ["txInput=ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29"],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `{
   "txSummary": {
     "txid": "ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29",
@@ -9240,7 +9240,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `[
   {
     "type": "Bitcoin",
@@ -9288,7 +9288,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `{
   "balance": 99900000,
   "hold": 101829,
@@ -9322,7 +9322,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: ["txInput=ee13ebb99632377c15c94980357f674d285ac413452050031ea6dcd3e9b2dc29&userBid=21000000"],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `HTTP/1.1 200 OK`,
         },
       }
@@ -9352,7 +9352,7 @@ export const restApiDocsData = [
           esModule: [],
           commonJS: [],
           curl: [],
-          headers: "api_key: stacksats",
+          headers: "X-Mempool-Auth: stacksats",
           response: `[
   {
     "id": 89,

frontend/src/app/services/api.service.ts

@@ -536,6 +536,10 @@ export class ApiService {
     );
   }
 
+  logAccelerationRequest$(txid: string): Observable<any> {
+    return this.httpClient.post(this.apiBaseUrl + this.apiBasePath + '/api/v1/acceleration/request/' + txid, '');
+  }
+
   // Cache methods
   async setBlockAuditLoaded(hash: string) {
     this.blockAuditLoaded[hash] = true;

frontend/src/app/services/enterprise.service.ts

@@ -30,6 +30,7 @@ export class EnterpriseService {
       this.fetchSubdomainInfo();
       this.disableSubnetworks();
       this.stateService.env.ACCELERATOR = false;
+      this.stateService.env.ACCELERATOR_BUTTON = false;
     } else {
       this.insertMatomo();
     }

frontend/src/app/services/state.service.ts

@@ -71,6 +71,7 @@ export interface Env {
   SIGNET_BLOCK_AUDIT_START_HEIGHT: number;
   HISTORICAL_PRICE: boolean;
   ACCELERATOR: boolean;
+  ACCELERATOR_BUTTON: boolean;
   PUBLIC_ACCELERATIONS: boolean;
   ADDITIONAL_CURRENCIES: boolean;
   GIT_COMMIT_HASH_MEMPOOL_SPACE?: string;
@@ -108,6 +109,7 @@ const defaultEnv: Env = {
   'SIGNET_BLOCK_AUDIT_START_HEIGHT': 0,
   'HISTORICAL_PRICE': true,
   'ACCELERATOR': false,
+  'ACCELERATOR_BUTTON': true,
   'PUBLIC_ACCELERATIONS': false,
   'ADDITIONAL_CURRENCIES': false,
   'SERVICES_API': 'https://mempool.space/api/v1/services',

frontend/src/locale/messages.xlf

@@ -1056,16 +1056,56 @@
           <context context-type="linenumber">91</context>
         </context-group>
       </trans-unit>
-      <trans-unit id="1bc4a5de56ea48a832e32294c124009867b478d0" datatype="html">
+      <trans-unit id="65d447765db0bf3390e9b3ecce142bf34bb602a3" datatype="html">
-        <source>First seen</source>
+        <source>Mined</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
-          <context context-type="linenumber">26</context>
+          <context context-type="linenumber">31</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
           <context context-type="linenumber">120</context>
         </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/custom-dashboard/custom-dashboard.component.html</context>
+          <context context-type="linenumber">121</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/custom-dashboard/custom-dashboard.component.html</context>
+          <context context-type="linenumber">154</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/pool/pool.component.html</context>
+          <context context-type="linenumber">183</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/pool/pool.component.html</context>
+          <context context-type="linenumber">245</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/rbf-list/rbf-list.component.html</context>
+          <context context-type="linenumber">23</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/rbf-timeline/rbf-timeline-tooltip.component.html</context>
+          <context context-type="linenumber">38</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/dashboard/dashboard.component.html</context>
+          <context context-type="linenumber">86</context>
+        </context-group>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/dashboard/dashboard.component.html</context>
+          <context context-type="linenumber">106</context>
+        </context-group>
+        <note priority="1" from="description">transaction.rbf.mined</note>
+      </trans-unit>
+      <trans-unit id="1bc4a5de56ea48a832e32294c124009867b478d0" datatype="html">
+        <source>First seen</source>
+        <context-group purpose="location">
+          <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
+          <context context-type="linenumber">64</context>
+        </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/block-overview-tooltip/block-overview-tooltip.component.html</context>
           <context context-type="linenumber">20</context>
@@ -1125,11 +1165,11 @@
         <source>Accelerated</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
-          <context context-type="linenumber">40</context>
+          <context context-type="linenumber">90</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
-          <context context-type="linenumber">136</context>
+          <context context-type="linenumber">94</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/block-overview-tooltip/block-overview-tooltip.component.html</context>
@@ -1149,50 +1189,6 @@
         </context-group>
         <note priority="1" from="description">transaction.audit.accelerated</note>
       </trans-unit>
-      <trans-unit id="65d447765db0bf3390e9b3ecce142bf34bb602a3" datatype="html">
-        <source>Mined</source>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
-          <context context-type="linenumber">53</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/acceleration-timeline/acceleration-timeline.component.html</context>
-          <context context-type="linenumber">93</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/custom-dashboard/custom-dashboard.component.html</context>
-          <context context-type="linenumber">121</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/custom-dashboard/custom-dashboard.component.html</context>
-          <context context-type="linenumber">154</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/pool/pool.component.html</context>
-          <context context-type="linenumber">183</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/pool/pool.component.html</context>
-          <context context-type="linenumber">245</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/rbf-list/rbf-list.component.html</context>
-          <context context-type="linenumber">23</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/components/rbf-timeline/rbf-timeline-tooltip.component.html</context>
-          <context context-type="linenumber">38</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/dashboard/dashboard.component.html</context>
-          <context context-type="linenumber">86</context>
-        </context-group>
-        <context-group purpose="location">
-          <context context-type="sourcefile">src/app/dashboard/dashboard.component.html</context>
-          <context context-type="linenumber">106</context>
-        </context-group>
-        <note priority="1" from="description">transaction.rbf.mined</note>
-      </trans-unit>
       <trans-unit id="bcf34abc2d9ed8f45a2f65dd464c46694e9a181e" datatype="html">
         <source>Acceleration Fees</source>
         <context-group purpose="location">
@@ -1201,7 +1197,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts</context>
-          <context context-type="linenumber">74</context>
+          <context context-type="linenumber">77</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/graphs/graphs.component.html</context>
@@ -1213,14 +1209,14 @@
         <source>No accelerated transaction for this timeframe</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts</context>
-          <context context-type="linenumber">130</context>
+          <context context-type="linenumber">133</context>
         </context-group>
       </trans-unit>
       <trans-unit id="4793828002882320882" datatype="html">
         <source>At block: <x id="PH" equiv-text="ticks[0].data[2]"/></source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts</context>
-          <context context-type="linenumber">174</context>
+          <context context-type="linenumber">177</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/block-fee-rates-graph/block-fee-rates-graph.component.ts</context>
@@ -1239,7 +1235,7 @@
         <source>Around block: <x id="PH" equiv-text="ticks[0].data[2]"/></source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/acceleration-fees-graph/acceleration-fees-graph.component.ts</context>
-          <context context-type="linenumber">176</context>
+          <context context-type="linenumber">179</context>
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/block-fee-rates-graph/block-fee-rates-graph.component.ts</context>
@@ -1669,7 +1665,7 @@
         <source>Accelerated by</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html</context>
-          <context context-type="linenumber">25</context>
+          <context context-type="linenumber">30</context>
         </context-group>
         <note priority="1" from="description">Accelerated to hashrate</note>
         <note priority="1" from="meaning">transaction.accelerated-by-hashrate</note>
@@ -1678,7 +1674,7 @@
         <source><x id="INTERPOLATION" equiv-text="{{ acceleratedByPercentage }}"/> <x id="START_TAG_SPAN" ctype="x-span" equiv-text="&lt;span class=&quot;symbol hashrate-label&quot;&gt;"/>of hashrate<x id="CLOSE_TAG_SPAN" ctype="x-span" equiv-text="&lt;/span&gt;"/></source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.html</context>
-          <context context-type="linenumber">27</context>
+          <context context-type="linenumber">32</context>
         </context-group>
         <note priority="1" from="description">accelerator.x-of-hash-rate</note>
       </trans-unit>
@@ -1686,7 +1682,7 @@
         <source>not accelerating</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/acceleration/active-acceleration-box/active-acceleration-box.component.ts</context>
-          <context context-type="linenumber">83</context>
+          <context context-type="linenumber">85</context>
         </context-group>
       </trans-unit>
       <trans-unit id="3590f5c3ef2810f637316edb8aaa86b8e907f152" datatype="html">
@@ -2030,8 +2026,8 @@
         </context-group>
         <note priority="1" from="description">address.error.loading-address-data</note>
       </trans-unit>
-      <trans-unit id="49cef95661d86f4341788ce40068d58801adc6e6" datatype="html">
+      <trans-unit id="9eb81e2576ffe4e8fb0a303e203040b6ab23cc22" datatype="html">
-        <source><x id="START_ITALIC_TEXT" ctype="x-i" equiv-text="There many transactions on this address, more than your backend can handle. See more on &lt;a href=&quot;/d"/>There many transactions on this address, more than your backend can handle. See more on <x id="START_LINK" ctype="x-a" equiv-text="&lt;a href=&quot;/docs/faq#address-lookup-issues&quot;&gt;"/>setting up a stronger backend<x id="CLOSE_LINK" ctype="x-a" equiv-text="&lt;/a&gt;"/>.<x id="CLOSE_ITALIC_TEXT" ctype="x-i" equiv-text="&lt;/i&gt;"/><x id="LINE_BREAK" ctype="lb"/><x id="LINE_BREAK" ctype="lb"/> Consider viewing this address on the official Mempool website instead: </source>
+        <source><x id="START_ITALIC_TEXT" ctype="x-i" equiv-text="There are too many transactions on this address, more than your backend can handle. See more on &lt;"/>There are too many transactions on this address, more than your backend can handle. See more on <x id="START_LINK" ctype="x-a" equiv-text="&lt;a href=&quot;/docs/faq#address-lookup-issues&quot;&gt;"/>setting up a stronger backend<x id="CLOSE_LINK" ctype="x-a" equiv-text="&lt;/a&gt;"/>.<x id="CLOSE_ITALIC_TEXT" ctype="x-i" equiv-text="&lt;/i&gt;"/><x id="LINE_BREAK" ctype="lb"/><x id="LINE_BREAK" ctype="lb"/> Consider viewing this address on the official Mempool website instead: </source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/address/address.component.html</context>
           <context context-type="linenumber">204,207</context>
@@ -6572,7 +6568,7 @@
         <source>Your transaction has been accelerated</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">141</context>
+          <context context-type="linenumber">143</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.accelerated</note>
       </trans-unit>
@@ -6580,7 +6576,7 @@
         <source>Waiting for your transaction to appear in the mempool</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">148</context>
+          <context context-type="linenumber">150</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.waiting</note>
       </trans-unit>
@@ -6588,7 +6584,7 @@
         <source>Your transaction is in the mempool, but it will not be confirmed for some time.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">154</context>
+          <context context-type="linenumber">156</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.pending</note>
       </trans-unit>
@@ -6596,7 +6592,7 @@
         <source>Your transaction is near the top of the mempool, and is expected to confirm soon.</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">160</context>
+          <context context-type="linenumber">162</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.soon</note>
       </trans-unit>
@@ -6604,7 +6600,7 @@
         <source>Your transaction is expected to confirm in the next block</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">166</context>
+          <context context-type="linenumber">168</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.next-block</note>
       </trans-unit>
@@ -6612,7 +6608,7 @@
         <source>Your transaction is confirmed!</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">172</context>
+          <context context-type="linenumber">174</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.confirmed</note>
       </trans-unit>
@@ -6620,7 +6616,7 @@
         <source>Your transaction has been replaced by a newer version!</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">178</context>
+          <context context-type="linenumber">180</context>
         </context-group>
         <note priority="1" from="description">tracker.explain.replaced</note>
       </trans-unit>
@@ -6628,7 +6624,7 @@
         <source>See more details</source>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/tracker/tracker.component.html</context>
-          <context context-type="linenumber">186</context>
+          <context context-type="linenumber">189</context>
         </context-group>
         <note priority="1" from="description">accelerator.show-more-details</note>
       </trans-unit>
@@ -6644,7 +6640,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/transaction/transaction.component.ts</context>
-          <context context-type="linenumber">497</context>
+          <context context-type="linenumber">498</context>
         </context-group>
       </trans-unit>
       <trans-unit id="meta.description.bitcoin.transaction" datatype="html">
@@ -6659,7 +6655,7 @@
         </context-group>
         <context-group purpose="location">
           <context context-type="sourcefile">src/app/components/transaction/transaction.component.ts</context>
-          <context context-type="linenumber">501</context>
+          <context context-type="linenumber">502</context>
         </context-group>
       </trans-unit>
       <trans-unit id="7e06b8dd9f29261827018351cd71efe1c87839de" datatype="html">

production/mempool-frontend-config.mainnet.json

@@ -13,6 +13,7 @@
   "ITEMS_PER_PAGE": 25,
   "LIGHTNING": true,
   "ACCELERATOR": true,
+  "ACCELERATOR_BUTTON": true,
   "PUBLIC_ACCELERATIONS": true,
   "AUDIT": true
 }

production/nginx-cache-heater

@@ -9,6 +9,7 @@ heat()
 
 heatURLs=(
        '/api/v1/fees/recommended'
+       '/api/v1/accelerations'
 )
 
 while true

production/nginx/location-api-v1-services.conf

@@ -2,6 +2,9 @@
 # routing #
 ###########
 
+location /api/v1/accelerations {
+	try_files /dev/null @mempool-api-v1-services-cache-short;
+}
 location /api/v1/assets {
 	try_files /dev/null @mempool-api-v1-services-cache-short;
 }